<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <style>
        article {
          background: #f3f3f3;
          width: 1020px;
          height: auto;
          overflow: auto;
          padding: 20px;
      }
    
      article.hot section {
          background: #fff;
          box-shadow: 0 0 5px #777;
          height: 300px;
          width: 500px;
      }
    
      article.hot section:first-of-type {
          float: left;
      }
    
      article.hot section:last-of-type {
          float: right;
      }
    
      article.swiper section {
          height: 200px;
          background: #fff;
          box-shadow: 0 0 5px #777;
      }
    
      article.swiper section:first-of-type {
          width: 200px;
          float: left;
      }
    
      article.swiper section:last-of-type {
          width: 820px;
          float: left;
      }
    </style>
    
     <article class="hot">
            <section></section>
            <section></section>
    </article>
    <article class="swiper">
            <section></section>
            <section></section>
    </article>
    
</body>
</html>